uxcell 6 Pcs 1/4" PT Male Thread Brass Internal Hex Head Socket Pipe Product Name : Hex Head Pipe;Color : Gold Tone Material : Brsaa;Thread Diameter : 13mm/1/4"PT Hex Side to Side Diatance : 7mm/ 0.28";High : 7.3mm/ 0.29" Net Weight : 29g Package Content : 6 x Hex Head Pipe